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Technical gazette, Vol. 27 No. 1, 2020.

Original scientific paper

https://doi.org/10.17559/TV-20180924173727

Automation Systems Design and Laboratory Prototyping Aimed at Mature Petroleum Drilling Rig Retrofitting

Pavle Šprljan orcid id orcid.org/0000-0003-4652-1576 ; HELB d.o.o., Industrijska ulica 1, Božjakovina, 10370 Dugo Selo, Croatia
Danijel Pavković* orcid id orcid.org/0000-0001-8045-5109 ; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10002 Zagreb, Croatia
Mihael Cipek orcid id orcid.org/0000-0002-0611-8144 ; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10002 Zagreb, Croatia
Miho Klaić orcid id orcid.org/0000-0002-8315-4835 ; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10002 Zagreb, Croatia
Tomislav Staroveški ; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10002 Zagreb, Croatia
Davor Kolar orcid id orcid.org/0000-0002-5622-6434 ; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10002 Zagreb, Croatia

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Abstract

This paper presents a control system design methodology for the drill-string rotary drive and draw-works hoist system aimed at mature drilling rig retrofitting. The rotary drive is equipped with an active damping speed control system featuring a proportional-integral speed controller readily available within modern controlled electrical drives, extended with drill-string back-spinning prevention scheme for the case of stuck tool. The draw-works hoist system features a tool normal force (Weight-on-Bit) controller with tool longitudinal speed (Rate-of-Penetration) limiting functionality. The design of proposed control systems has been based on suitable control-oriented process models and damping optimum criterion which guarantees a desired level of closed-loop system damping. The proposed drilling control systems have been verified on a downscaled laboratory experimental setup, which represents a necessary pre-requirement before these systems are tested in the field.

Keywords

active damping; draw-work; laboratory setup; petroleum drilling; proportional-integral controller; retrofitting; top-drive; torsional vibrations

Hrčak ID:

234227

URI

https://hrcak.srce.hr/234227

Publication date:

15.2.2020.

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